t_header *do_malloc(size_t taille, t_header *pstart_free,
t_header *pstart_alloc)
{
t_header *cur;
unsigned int nbblocks;
nbblocks = get_real_size(taille);
if ((cur = find_freeblock(nbblocks, pstart_free)) == NULL)
{
if (ask_memory(nbblocks) == 0)
return (NULL);
}
else
{
cur->size = get_real_size(taille);
add_list_alloc(pstart_alloc, cur);
return ((t_header *)cur + 1);
}
if ((cur = find_freeblock(nbblocks, pstart_free)) == NULL)
return (NULL);
else
{
cur->size = get_real_size(taille);
add_list_alloc(pstart_alloc, cur);
return ((t_header *)cur + 1);
}
}
block_datastr *blkdev_write_block(UID id,char *data)
{
int size;
char *copy_ptr;
block_datastr *ret;
block_datastr *bp;
char *temp;
int i=0;
ret = bp = find_freeblock(); // get free block pointer
printf("%x\n", ret);
size = get_datasize(data); // get size of data
printf("%d\n", size);
while(size > 0){
if(bcb.blocksleft <= 0)
{
printf("No have empty block");
return NULL;
}
bp->next = (unsigned int)(bp->next)|(0x1); // check block to be used
if(size > BLOCK_SIZE)
{
MemCpy(bp->data, data, BLOCK_SIZE);
bp->next = (unsigned int)(bp->next)|(unsigned int)find_freeblock();
bp = (unsigned int)(bp->next)&0xFFFFFFFE;
}
else
{
MemCpy(bp->data, data, size);
}
size = size - BLOCK_SIZE;
bcb.blocksleft--;
}
return ret;
}
void *mymalloc(size_t taille)
{
unsigned int nbblocks;
t_header *cur;
/* my_putstr("############## MALLOC ######### taille");
my_put_nbr(taille);
my_putchar('\n');*/
cpt++;
nbblocks = get_real_size(taille);
if (taille <= 0)
return (NULL);
if (!start)
{
start_free.next = &start_free;
start_free.size = 0;
start_alloc.next = &start_alloc;
start_alloc.size = 0;
start = 1;
min_addr = sbrk(0);
}
if ((cur = find_freeblock(nbblocks)) == NULL)
{
if (ask_memory(nbblocks) == 0)
return (NULL);
}
else
{
cur->size = get_real_size(taille);
add_list_alloc(&start_alloc, cur);
return ((t_header *)cur + 1);
}
if ((cur = find_freeblock(nbblocks)) == NULL)
return (NULL);
else
{
add_list_alloc(&start_alloc, cur);
cur->size = get_real_size(taille);
return ((t_header *)cur + 1);
}
}
